Electric motor



' y 7, 1929- E. N. BAKER 1,712,065

ELECTRIC MOTOR Filed July 5, 1927 imme Petezeteet 7 me-Amie. BAKER, oz eoeeme e me,

ilpelieettee This invention relates to i Winding 5 this letter circuit, as Wit seem, v=, w'.-t m electrlo motors, 1t more new cut-any le= oemg mote mean time time 6 thtough switch lilting to a single phase motor edepted to operate atdlfierent speeds.

An ob ect of the mventlon ied*"1g 3, lead 16,- eut eu-u the .e hne poeltlom conn cts contacts 7 n .11 w" o has meshed preoetermmecl u e 1Z Lethe eccompenying d2, beet tenet 1s e, diagrammatic View o.. a motor embodying; the i Referring to the drew? main Winding, which in me shown as atom-pole sents a second mete wineiirtg, present case as e two-pole emting with the main 1 mole etettihg Winding o eltheii start;

5.9 with the main Winding is e ing Winding 4-. A main swito at connected-1 with eretizeg withewhieh are 9 and Mk @me enet e; t is connected "with the co 11, the other of sei Elected to mein line SEQ windingft e one em eefleetiv contact 10 the lead 1 t pemleiet sterttn this main winding he t the stew-tune; we

the main linel @ne Winetieg 3 is connected by the lead 14 the other e Winding F eeing eon ,e' through en automatic eu t. 15 and 16. time of me mg 1- is comaected to the so the head LUZ the other on 1' Winoiing being eonnected to cut-out through the leads 18 e 16 is conneeteet with one of out, Whiie the other ring it is connected with line 12 by lead 23. Gentrifugelh:

21 desired hettee oicatemeel.

ea to he ee pe time switc mmn Wine emted brushes 21 eooperete winilin automatic means for 6- math the ma s em; ere connected memezect ste'r'tme o Y \J L9 7 a w by WllQ 22 @1'6016'66? speed eel-ti me The opeeetlon is es e mmon to send. stmrtmg WET-m speed the mem e'wltoh In e 1 of the ohm-mete? d to the posltlon lriellceteel 5*. plurality o1: mam Wmehege e. nect leads 11 en& wlth mm mnumbers 0; moles e se mete etoetl 1 t L a Y H (a L e 9 a n u 6 whlch estebhseee e. exre'mt tnroum we 11191011 ee hmam wmdmw mean t I it. e

v L Q H, a mel wmdmg end thteuge the seeming number 03 pokes as sale mam Wielding, Ht

starting windings being arranged "co be sepe- Timely energized, a single conn'ofling switch for separately energizing each main Winding; and its companion starting" Winding, and automatic means for deenei'gizing the energizing stziltihg Winding at a predetermined speed, said means being common to all of said stm'cing windings.

3. In a motor the character descrfdoeci 11min windings haviiig different speed characteristics, ends, separate s'zei'ing Winding of appropriate speed characteristic to co-act with each main W1nding connectlons SVhlCh in conjunction with its companion main Winding and a single centi'ifugeHy-opemteci CUFOUE switch to cieeneigize at a predetee mined speed the active starting Winding.

ony Whereeif *7 have hereimi'ce set my hill'lfl this 30th day of". June, 1927 

